Lenticular printing method for lenticule on demand through ink jet

Abstract

The invention discloses a lenticular printing method for a lenticule on demand through ink jet, which comprises the following steps of: A, inputting a print containing a printed lenticule image into an inkjet device; B, according to requirements on position and shape of the printed lenticule image, scanning row by row in a printed lenticule image area by using the inkjet device, jetting liquid transparent ink, and depositing the ink into lines so as to form a liquid plane; C, performing ultraviolet (UV) irradiation on the liquid plane to obtain a lenticule imaging layer L1; D, judging whetherthe thickness of the lenticule imaging layer L1 reaches the set threshold value d, if so, executing a step E, otherwise, repeatedly executing the step B and the step C; E, repeating the step B on thecured lenticule imaging layer L1 to obtain a lenticule curve layer L2; F, judging whether the thickness of the lenticule curve layerL2 reaches the set threshold value s, if so, executing a step G, otherwise, repeatedly executing the step E; and G, pressing the curve layer L2 by using a high-precision lenticule mold, and curing through UV irradiation to form the required lenticule.

Description

Technical field [0001] The present invention relates to the field of printing, in particular to a three-dimensional printing method of inkjet on-demand forming of gratings. Background technique [0002] The three-dimensional printing method of Lenticule On Demand is a new three-dimensional printing method that forms different gratings in different areas of two-dimensional graphic prints according to application requirements to achieve different three-dimensional spatial effects. Due to the characteristics of different types and parameters of gratings and local distribution of gratings can be realized on the same printed product, it has high-tech and personalized features. It is printed in books, gift boxes, tobacco and alcohol boxes and other high-end printing, anti-counterfeiting safety, medical images, aviation Image and other fields have broad application prospects, and it is a special printing method with high added value. [0003] At present, Lenticular Printing / Stereoscopic ...

AI Technical Summary

Problems solved by technology

Since this method uses point-by-point stacking and progressive scanning to form the partition wall and cylindrical lens, it takes a lot of time and the efficiency of forming the grating is low.

In addition, this method relies on the effect of surface tension to make the liquid transparent material convex to form a lens, which also has the problem of low precision of the lens shape, which leads to the unclear effect of the final 3D image.

[0007] To sum up, it can be seen that traditional printing methods (offset printing, gravure printing, flexo printing, silk screen printing, etc.) need to make printing plates to form gratings, and the preparation of printing plates requires a series of processes such as plate making, printing, developing, drying and revision, which leads The traditional printing method is difficult to apply to the on-demand forming grating of rapidly variable data, and there are problems such as low forming efficiency, low grating accuracy, and easy blurring of 3D images

Images